package cn.jhc.service;

import cn.jhc.entity.Item;

import java.util.List;

public interface ItemService {
    public int save(Item item);
    public int update(Item item);
    public int delete(Integer itemId);
    public Item queryOne(Integer itemId);
    public List<Item> query(Item item);
    public List<Item> QueryByBook(Integer bookId);
}
